What permission do you need to get to build a terrace in your garden?

To fully enjoy your outdoors, what better than a terrace. But be careful, the construction of such equipment in your garden is subject to certain rules. Sometimes a preliminary declaration of works, or even a building permit, is necessary. Here’s everything you need to know before starting your project, he says French administration website.

Ground floor terrace

First, the good news: construction of a terrace at a level, that is, not elevated or very slightly elevated, it is generally not dependent no prior permission. However, this rule is different if you are in a protected area, such as an outstanding heritage site, a listed site or next to a historic monument. Here, the construction of such a terrace requires prior approval of the works.

In any case, “your project must comply with the rules of the PLU (local urban plan), even if it does not have permission”, reminds the administration. “Before starting the work, you must consult the PLU or its alternative town planning document at the town hall”.

Raised terrace

In the case of a raised terrace, the legislation is different. In a municipality covered by a PLU, a work permit must be made in advance up to an area of ​​40 m². Beyond that, there is a need to achieve building permit

The rules are even stricter if the municipality does not have a PLU. In this case, prior construction approval is mandatory for a raised terrace from 5 m² to 20 m². A building permit is then required. Please note that in a protected area, without a PLU, prior construction approval is required even for a raised terrace of less than 5 m².

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